fix(allowlist): 唤醒名单可查看、可取消或恢复唤醒权限，换主人时清空

internal/store/migrations/0034_allowlist_revoked.sql

@@ -0,0 +1,6 @@
+-- An owner can take a player's right to wake the server away (PUT
+-- /servers/{name}/allowlist/{uuid}). The row stays with revoked_at set instead of
+-- being deleted, because a deleted row comes straight back on the player's next
+-- join (RecordJoin appends ON CONFLICT DO NOTHING) and the owner's choice would
+-- last only until then. Both wake gates read revoked_at IS NULL.
+ALTER TABLE server_allowlist ADD COLUMN revoked_at timestamptz;